BirdAnalyst
BBS Route · Pennsylvania · BCR 28

Kaylor Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 103 species recorded across 40 survey years, still active.

103Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1966–2024Span
2Observers

Bird Species Found on Pennsylvania Kaylor

Top 40 of 103 species by most recent count. Each links to its species trend.

Species recorded on the Kaylor route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
American RobinTurdidae722024-10%1968
Red-winged BlackbirdIcteridae422024-74%1968
European StarlingSturnidae402024+5%1968
American CrowCorvidae322024+120%1968
Song SparrowPasserellidae252024-5%1968
House SparrowPasseridae222024-63%1968
Red-bellied WoodpeckerPicidae202024+975%1997
Red-eyed VireoVireonidae192024+185%1968
Chipping SparrowPasserellidae182024-14%1968
Gray CatbirdMimidae172024-26%1968
Mourning DoveColumbidae152024+217%1968
Common GrackleIcteridae152024-49%1968
Chimney SwiftApodidae132024+17%1968
Northern CardinalCardinalidae132024-8%1968
Common YellowthroatParulidae122024-11%1968
Blue JayCorvidae112024+88%1968
American GoldfinchFringillidae112024-13%1968
Eastern TowheePasserellidae102024-34%1968
Tufted TitmouseParidae92024+300%1969
Brown-headed CowbirdIcteridae82024-37%1968
Indigo BuntingCardinalidae82024-19%1968
Yellow WarblerParulidae82024+169%1968
Wood ThrushTurdidae82024-29%1968
Northern House WrenTroglodytidae72024+100%1968
Eastern Wood-PeweeTyrannidae62024+15%1968
Barn SwallowHirundinidae62024-5%1968
Pileated WoodpeckerPicidae62024+200%1997
Willow FlycatcherTyrannidae62024+22%1997
Carolina WrenTroglodytidae62024+325%1998
Baltimore OrioleIcteridae52024+220%1969
OvenbirdParulidae52024-41%1968
Northern Rough-winged SwallowHirundinidae52022+14%1997
House FinchFringillidae52024-37%1997
American RedstartParulidae52024+30%1997
Scarlet TanagerCardinalidae42024+333%1970
Black-capped ChickadeeParidae42024+180%1969
Ruby-throated HummingbirdTrochilidae42021+50%1997
Eastern PhoebeTyrannidae42024+0%1969
Acadian FlycatcherTyrannidae42024+0%1997
Turkey VultureCathartidae42024+100%2005

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.